GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you review the Exterior Lights Circuit Description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Lighting Systems

2

Verify that the right turn signal indicator is inoperative.

Is the right turn signal indicator inoperative?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

3

  1. Disconnect the instrument cluster connector 3.
  2. Turn the ignition switch to the ON position.
  3. Turn the turn signal switch to the RIGHT position.
  4. Connect a test lamp between terminal 1 and ground.

Does the test lamp flash?

Go to Step 5

Go to Step 4

4

Repair the open in the GRN/YEL wire between S261 and the instrument cluster C3,cavity 8. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 6

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5

Repair the open in the BLK wire between the instrument cluster connector 2 terminal 10 and S248. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3